Vienna has long been an important center of classical music, with composers like Mozart, Beethoven, and Johann Strauss Jr. being associated with the city. During the 18th and 19th centuries, Vienna was the European capital of classical music under the patronage of the Habsburgs. The Vienna Secession art movement emerged in the late 19th century, led by artists including Gustav Klimt and Egon Schiele. Austrian architecture is renowned for its castles and palaces built during the Habsburg reign. Folk music traditions like Schrammelmusic and the Blue Danube waltz also originated in Vienna and Austria.